EP 2650547 A4 20140423 - CENTRIFUGAL COMPRESSOR
Title (en)
CENTRIFUGAL COMPRESSOR
Title (de)
ZENTRIFUGALVERDICHTER
Title (fr)
COMPRESSEUR CENTRIFUGE
Publication
Application
Priority
JP 2010072252 W 20101210
Abstract (en)
[origin: EP2650547A1] A compressor 11 includes plural first vanes 52 provided on a shroud side of a diffuser path, and plural second vanes 53 provided on positions of a hub side opposed to the first vanes 52. The compressor 11 also includes a slide vane mechanism 50 that projects the second vanes 53 into and draws in the second vanes 53 from the diffuser path via the slits 51a of the hub side wall part plate 51 according to a load of the compressor 11. When the slide vane mechanism 50 projects the second vanes 53 into the diffuser path, end faces of the first vanes 52 and end faces of the second vanes 53 are opposed to each other at the vicinity of the center of the diffuser path.
IPC 8 full level
F04D 29/46 (2006.01); F04D 29/70 (2006.01)
CPC (source: EP US)
F04D 29/403 (2013.01 - US); F04D 29/4206 (2013.01 - EP US); F04D 29/462 (2013.01 - EP US); F04D 29/701 (2013.01 - EP US); F05D 2250/52 (2013.01 - EP US)
Citation (search report)
- [A] EP 2078866 A1 20090715 - MITSUBISHI HEAVY IND LTD [JP]
- [A] EP 0034915 A1 19810902 - HOLSET ENGINEERING CO [GB]
- [A] EP 1260675 A1 20021127 - IVECO MOTORENFORSCHUNG AG [CH]
- [A] JP H0599199 A 19930420 - HITACHI LTD
- See references of WO 2012077231A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2650547 A1 20131016; EP 2650547 A4 20140423; EP 2650547 B1 20150624; CN 103261703 A 20130821; CN 103261703 B 20150429; JP 5488717 B2 20140514; JP WO2012077231 A1 20140519; US 2013272864 A1 20131017; US 8956110 B2 20150217; WO 2012077231 A1 20120614
DOCDB simple family (application)
EP 10860611 A 20101210; CN 201080070631 A 20101210; JP 2010072252 W 20101210; JP 2012547659 A 20101210; US 201013992776 A 20101210